TECHNICAL PAPER SESSIONS
Saturday, September 25 1999
Sessions F-I

F: LOUDSPEAKERS, PART 1
Saturday, September 25
9:00 AM

Chair: Juha Backman, Nokia Mobile Phones,
Nokia Group, Finland

Loudspeakers on Damped Pipes, Part 1: Modeling and Testing; Part 2: Behavior--G. L. Augspurger, Perception Inc., Los Angeles, CA, USA

Symmetrical Loudspeaker Band-Pass Systems of Eighth Order with Active Filter--Andrzej Dobrucki and Grzegorz Matusiak, Institute of Telecommications and Acoustics, Wroclaw University of Technology, Wroclaw, Poland

The Scalability of the Distributed Mode Loudspeaker (DML) in an Infinite Baffle--Graham Bank, New Transducers Ltd., Huntingdon, Cambs., UK

Closed and Vented Loudspeaker Enclosures as Causes of Nonlinearity--Bronislaw Zóltogórski, Institute of Telecommunications & Acoustics, Wroclaw University of Technology, Wroclaw, Poland

Measurement and Simulation Results Comparing the Binaural Acoustics of Various Direct Radiators--Neil Harris, University of Essex, and New Transducers Ltd., Huntingdon, Cambs., UK; and Malcolm Hawksford, University of Essex, Centre for Audio Reseach & Engineering, Colchester, Essex, UK

A Generalized Horn Design to Optimize Directivity Control and Wavefront Curvature--Charles E. Hughes, Peavey Electronics, Meridian, MS, USA

G: PSYCHOACOUSTIC &
AUDITORY MODELS
Saturday, September 25
9:00 AM

Chair: Leslie Collins, Duke University, Durham, NC, USA

Using Computational Auditory Models to Predict Human Auditory Perception: A Simultaneous Masking Task--Lisa C. Gresham and Leslie Collins, Duke University, Durham, NC, USA (Invited)

Time-Domain Auditory Model for the Assessment of High-Quality Coded Audio--David J. M. Robinson and Malcolm J. Hawksford, Centre for Audio Research & Engineering, University of Essex, Colchester, Essex, UK

Perceptual Speech Quality Assessment from Narrowband Telephony to Wideband Audio--Antony W. Rix and Michael P. Hollier, BT Laboratories, Martlesham Heath, Ipswich, UK

Understanding the Performance of Multimedia Communications--Michael P. Hollier, BT Laboratories, Martlesham Heath, Ipswich, UK

Level Control in Digital Mastering--Søren H. Nielsen and Thomas Lund, TC Electronic A/S, Risskov, Denmark

H: LOUDSPEAKERS, PART 2
Saturday, September 25
2:00 PM

Chair: David L. Clark, DLC Design, Wixom, MI, USA

Improved Loudspeaker Array Modeling--David W. Gunness and William R. Hoy, Eastern Acoustic Works, Inc., Whitinsville, MA, USA

Numerical Simulation of Wave Fields Created by Loudspeaker Arrays--Ulrich Horbach and Attila Karamustafaoglu, STUDER Professional Audio AG, Regensdorf, Switzerland; and Rudolf Rabenstein, Gerhard Runze, and Peter Steffen, University of Erlangen-Nuremberg, Erlangen, Germany

Modal Network Solver for the Simulation of Complex Mechanoacoustical Systems--Joerg Panzer and Sean Kavanagh, New Transducers Ltd., Huntingdon, Cambs., UK

The Measuring Method of Dynamic Force-to-Displacement Characteristics for Loudspeaker Suspension System and Driving Force--Kazue Satoh, Hiroyuki Takewa, and Mikio Iwasa, Multimedia Development Center, Matsushita Electric Industrial Co., Ltd., Osaka, Japan

Position Dependent Amplitude Modulation in Cone Loudspeakers--Mark Ziemba, Matsushita Communication Industrial of U.S.A, Southfield, MI, USA

A Model of Open-Baffle Loudspeakers--Juha Backman, Nokia Mobile Phones, Nokia Group, Finland

I: HRTFS, HRIRS, AND
SPATIALIZATION, PART 1
Saturday, September 25
2:00 PM

Co-Chairs: Corey I. Cheng and Gregory H. Wakefield, University of Michigan, Ann Arbor, MI, USA

Introduction to Head-Related Transfer Functions (HRTFs): Representations of HRTRs in Time, Frequency, and Space--Corey I. Cheng and Gregory H. Wakefield, University of Michigan, Ann Arbor, MI, USA (Invited)

Results of a Round Robin Subjective Evaluation of Virtual Home Theatre Sound Systems--Nick Zacharov, Jyri Huopaniemi, and Matti Hamalainen, Nokia Research Center, Tampere, Finland

Evaluation of Spatial Sound Localization Performance of Diffuse Acoustic Radiator--Kelvin C. K. Foo and Malcolm O. J. Hawksford, Centre for Audio Research & Engineering, University of Essex, Colchester, UK; and Michael P. Hollier, BT Laboratories, Martlesham Heath, Ipswich, UK

Auditory Evalution of a Hybrid Data- and Model-Based Auditory Virtual Environment--Renato S. Pellegrini, Institut für Kommunikationsakustik, Ruhr-Universitt, Bochum, Germany

Visualization, Editing, and Spatialization of Sound Representations Using the OSE Framework--Amar Chaudhary and Adrian Freed, Center for New Music and Audio Technologies, University of California, Berkeley, CA, USA